The third installment of Glee‘s highly successful soundtrack will be released May 18 as a regular release an extended deluxe edition. Idina will have one song featured on the regular release, and two on the deluxe. The releases are available for pre-order now on iTunes. The tracklist is as follows (SPOILER ALERT!):

A fun fact that was revealed in a new interview with Idina while in Boston for a 3-night stand with the Boston Pops, which you can read here, is that Idina actually sings a third song on the hit show, an unnamed Barbra Streisand song! Exciting. You can read a second Boston interview here.